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Journal of Korean Neurosurgical Society 1997;26(7): 928-933.
Results of Transpedicular Screw Fixation in Spondylolisthesis of the Lumbar Spine.
Joung Kil Bae, Chang Young Kwon, Joung Pil Eun, Soong Hee Lee
Department of Neurosurgery, Presbyterian Hospital, Chonju, Korea.
The auther studied 54 lumbar spondylolisthesis patients diagnosed and treated with transpedicular screw fixation and bony fusion at our Hosptial between January 1990 and December 1994, and analysed the outcome. The results may be summarized as follows: 1) Of the 54 cases, 17 were degenerative spondylolisthesis and 37 were spondylolytic spondylolisthesis. Occurrence peaked during the fifth and sixth decades. 2) Posterolateral fusion(P.L.F) was performed in 37 cases and posterior lumbar interbody fusion(P.L.I.F) in eight ; P.L.F and P.L.I.F in combination was performed in nine cases. The mean follow-up period was 25 months. 3) In no patients was significant neurologic injury or functional root loss seen. Complications included two instrument failures and one wound infection. 4) Radiologic and clinical outcome was better in degenerative than in spondylolitic spondylolisthesis. 5) The radiologic and clinical outcome of bony fusion types P.L.F and P.L.I.F was the same. 6) The surgical result as evaluated by Mc.Nab's criteria was satisfactory in 81% of patients.
Key Words: Transpedicular screw fixation; P.L.F; P.L.I.F.
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